There are authors’ deaths, announced casually on the radio, that provoke an involuntary cry of loss. The recent death of Sue Grafton, author of the alphabetically themed Kinsey Millhone detective novels, was one such. How could you not mourn a writer with whom you’d kept company – and 25 books – for 36 years? An added sadness was that she would not now complete her task of a book for every letter of the alphabet. We had had Y Is for Yesterday (2017) and awaited, confidently, Z Is for Zero. Except that now it won’t be. ‘In our family’, said one of her daughters, ‘the alphabet now ends with Y.’